Aeroponic column



FIG. 1 is a perspective view of an aeroponic column according to my new design;

FIG. 2 is a front side view thereof;

FIG. 3 is a rear side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top side view thereof; and,

FIG. 7 is a bottom side view thereof.

The broken lines in the figures indicate environment and form no part of the claimed design. 

CLAIM The ornamental design for an aeroponic column, as shown and described. 